Crude oil for February delivery rose $1.51 a barrel, to $94.20, in futures trading. Gold for February delivery added $5.70 an ounce, to $903.40.

Treasury auctions: Interest rates declined at the weekly auctions of 3- and 6-month Treasury bills. The discount rate for 3-month bills was 3.08 percent, down from 3.31 percent last week. The rate for 6-month bills was 2.95 percent, down from 3.39 percent last week.

The coupon-equivalent investment rates at Monday's auctions were 3.16 percent for 3-month bills and 3.04 percent for 6-month bills.